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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:19:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:19:27 +0000 |
commit | e0023883c6d2e6745a19e4b48e186ed156c1fca8 (patch) | |
tree | 1a48b8056ec984385d0d862b683535d04d6ed215 /gl/lib/msvc-nothrow.h | |
parent | Initial commit. (diff) | |
download | man-db-upstream/2.11.2.tar.xz man-db-upstream/2.11.2.zip |
Adding upstream version 2.11.2.upstream/2.11.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gl/lib/msvc-nothrow.h')
-rw-r--r-- | gl/lib/msvc-nothrow.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gl/lib/msvc-nothrow.h b/gl/lib/msvc-nothrow.h new file mode 100644 index 0000000..5345155 --- /dev/null +++ b/gl/lib/msvc-nothrow.h @@ -0,0 +1,43 @@ +/* Wrappers that don't throw invalid parameter notifications + with MSVC runtime libraries. + Copyright (C) 2011-2022 Free Software Foundation, Inc. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +#ifndef _MSVC_NOTHROW_H +#define _MSVC_NOTHROW_H + +/* With MSVC runtime libraries with the "invalid parameter handler" concept, + functions like fprintf(), dup2(), or close() crash when the caller passes + an invalid argument. But POSIX wants error codes (such as EINVAL or EBADF) + instead. + This file defines wrappers that turn such an invalid parameter notification + into an error code. */ + +#if defined _WIN32 && ! defined __CYGWIN__ + +/* Get original declaration of _get_osfhandle. */ +# include <io.h> + +# if HAVE_MSVC_INVALID_PARAMETER_HANDLER + +/* Override _get_osfhandle. */ +extern intptr_t _gl_nothrow_get_osfhandle (int fd); +# define _get_osfhandle _gl_nothrow_get_osfhandle + +# endif + +#endif + +#endif /* _MSVC_NOTHROW_H */ |